<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>悬浮效果示例</title>
  <style>
    .floating-object {
      width: 100px;
      height: 100px;
      background-color: #3498db; /* 物体颜色 */
      border-radius: 50%; /* 圆形物体 */
      position: relative;
      margin: 50px auto;
      box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3); /* 添加阴影效果，模拟悬浮 */
    }
  </style>
</head>
<body>
<div class="floating-object"></div>
</body>
</html>
